Subtract 18/56 from 30/2
1st number: 15 0/2, 2nd number: 18/56
30/2 - 18/56 is 411/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 2 × 28 = 56,
30/2 = 30 × 28/2 × 28 = 840/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
18/56 = 18 × 1/56 × 1 = 18/56 - Subtract the two like fractions:
840/56 - 18/56 = 840 - 18/56 = 822/56 - After reducing the fraction, the answer is 411/28
- In mixed form: 1419/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2-18/56 30/2-36/56 30/4-18/56 90/2-18/56 30/2-54/56 30/6-18/56 30/2-90/56 30/10-18/56 30/14-18/56